.parentContainer {
  width: 900px;
  height: 300px;
  /* border: 8px rgb(8, 8, 8) solid; */
  margin: 0 auto;
  margin-top: 50px;
  overflow: hidden;
  position: relative;
}
.itemList {
  width: 2800px;
  height: 300px;
  display: flex;
  position: relative;
  left: -200px;
}
.item {
  /* flex: 1; */
  width: 400px;
  height: 300px;
  text-align: center;
  margin-left: 50px;
}
.item:first-of-type {
  margin-left: 0;
}
img {
  width: 400px;
  height: 250px;
}
.item > div {
  color: #000;
}
#btn {
  width: 98vw;
  height: 50px;
  text-align: center;
  /* border: 1px solid #f00; */
  position: relative;
  z-index: 22;
  left: 50%;
  top: -184px;
  line-height: 50px;
  transform: translateX(-50%);
}
.left {
  position: absolute;
  left: 0px;
}
.left:hover,
.right:hover {
  cursor: pointer;
}
.right {
  position: absolute;
  /* left: calc(100% - 27px); */
  right: 0;
}
